TV Repair BAD HDMI BAD VGA Philips Digital Board Help & How to Replace Philips Digital Board
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The Digital Main CBA Board shown in this video is a compatible substitute for the following Part Number, and is a replacement for the following LCD TV models:

Part Number:
• P&F A91H2MMA-001

LCD TV Model Numbers:
• PHILIPS 42PFL3704D/F7

Top Common LCD TV Problems (TV Symptoms) with Bad Philips Main Boards:
•  No Picture (No Video)
•  No Sound (No Audio)
•  Bad Signal, No Signal
•  Bad TV Tuner (Coax), No Cable Channels
•  Lightning Damage, Power Surge through Antenna
•  Bad, Corrupt Firmware (Needs Firmware Update)

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TV Repair Made Easy™
© 2012 ShopJimmy.com, LLC.

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Disclaimer:
WARNING! Please make sure that your TV is unplugged, and that you are protected from static electricity. There are various ways to eliminate static electricity, but the most common way is to use a grounding wrist strap. Take photos and notes often to help remember the location and orientation of the parts and wires. And feel free to pause and backtrack through this tutorial as much as needed.

Materials Needed:
To be best prepared to replace the Digital Main CBA Board inside of your TV, you will need the following materials:
• A pair of latex gloves.
• Your ShopJimmy.com replacement Digital Main CBA Board.
• A pair of needle-nose pliers.
• Both a flat-head and phillips screwdriver.
• And a cup to hold all screws, clips, and any other small items. So let's get to it shall we?

Instructions:
• Locate your TVs identification label and take note of the brand name model number, serial number and model code if present.
• Unscrew and remove the back cover.
• The Digital Main CBA manages your digital inputs, like HDMI and Digital Tuner.
• For this TV, the Digital Main CBA is located on the right side of the chassis.
• Carefully unplug all wires and ribbon cables by hand.
• Please note that the LVDS cable is quite fragile. 2 hands may be required to release and remove the connector.
• Unscrew and remove your bad Digital Main CBA.
• Unscrew and remove the cover for your part.
• A partial part number for this item can be found printed on a label.
• Search your partial part number on http://www.shopjimmy.com to find a compatible replacement.
• Click on the search results to view important product specifications. Verify that your original board matches all requirements noted in the product description prior to purchase.
• Insert all screws to secure the cover for your part.
• Insert all screws to secure your ShopJimmy New Digital Main CBA Board to the chassis.
• Reconnect all cable and ribbon connections.
• Return the back cover to its original position and secure all screws.
• This ShopJimmy replacement Digital Main CBA Board does not require any manual configurations in order to function. Simply plug in and power on and your TV will function as if new.

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